The 1918 Tyler tornado was a deadly and destructive tornado that devastated the town of Tyler, Minnesota on Wednesday, August 21, 1918. The F4-estimated tornado hit the town at approximately 9:20 pm, killing 36 people and injuring over 100 others. Debris from Tyler was found up to 23 miles (37 km) away. It is the fourth-deadliest tornado in Minnesota's history.